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BMW 2 Series Technical Topics (G42) Wheels / Tires

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      11-07-2022, 06:35 AM   #1
M Division
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Staggered 20x10" rear / 19x9" front fitted

Staggered 20x10" rear / 19x9" front fitted

Extra rubber 265 rear / 255 front

Handles beautifully, rides very well even while lowered. Grip is insane, launches harder, cornering grip is endless, brakes harder and front end has a little more feedback.

I can see why the M2 runs a staggered 20/19" setup the chassis feels made for this configuration.
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      11-07-2022, 11:47 AM   #2
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Looks good!

Did you consider going with 295/30 in the rear? That would give you a sidewall height identical to the 255/35 in the front, and still be in spec on a 10" wheel.
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      11-07-2022, 07:51 PM   #3
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Looks awesome! What is the brand of the wheels and where did you get them? Any rubbing issues?
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      11-10-2022, 06:58 AM   #4
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Quote:
Originally Posted by XC3LLR8 View Post
Looks good!

Did you consider going with 295/30 in the rear? That would give you a sidewall height identical to the 255/35 in the front, and still be in spec on a 10" wheel.
You could go to 295 but I wanted to retain the factory Scrub Radius/Centre line as I was shooting for performance, balance and not just asthetic. 295 are going to start to push very close to the struts so you'd have to increase offset thus push outside of factory Scrub Radius and your tire would be right on the fender line. But you absolutely could do it. The 275 on 20x10 stays within xDrives front/rear +1% max differential so that was the best set up with really no compromise. If you go wider you're increasing offset and pushing toward the Bodyline or running dangerously close to the suspension, if not touching, either way that was to much compromise for what I wanted. The 265 has virtually no lateral sidewall deflection either, all around it drives beautifully.
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      11-14-2022, 08:48 PM   #5
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At your leisure, would you be able to post a few side photos showing how flush the wheels are with the wheel arches and how the tire sidewall fits on your wheel sizes? Curious. Everyone is always looking to push the limits but if you say that the wheel and tire sizes are a perfect match then the debate is settled. Also which spring did you choose? Thanks.
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      11-17-2022, 07:22 PM   #6
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Quote:
Originally Posted by F12M6MD View Post
At your leisure, would you be able to post a few side photos showing how flush the wheels are with the wheel arches and how the tire sidewall fits on your wheel sizes? Curious. Everyone is always looking to push the limits but if you say that the wheel and tire sizes are a perfect match then the debate is settled. Also which spring did you choose? Thanks.
No problem.

I went with MSS height adjustable so I can manage the +/- front to rear ride heights and keep the car balanced. The rear should sit at +5mm-10mm higher once the springs have settled to maintain the 50/50 weight distribution and COD of the car. The guys who just dump it all around don't know what they're doing to the handling of the car.
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      11-17-2022, 07:39 PM   #7
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Quote:
Originally Posted by M Division View Post
Quote:
Originally Posted by F12M6MD View Post
At your leisure, would you be able to post a few side photos showing how flush the wheels are with the wheel arches and how the tire sidewall fits on your wheel sizes? Curious. Everyone is always looking to push the limits but if you say that the wheel and tire sizes are a perfect match then the debate is settled. Also which spring did you choose? Thanks.
No problem.

I went with MSS height adjustable so I can manage the +/- front to rear ride heights and keep the car balanced. The rear should sit at +5mm-10mm higher once the springs have settled to maintain the 50/50 weight distribution and COD of the car. The guys who just dump it all around don't know what they're doing to the handling of the car.
MSS gave me a part number that only lowers the car 10mm. Apparently the kit that lowers it 30-35mm is not well suited for xDrive models.
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      11-30-2022, 09:55 AM   #8
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More specs please

Quote:
Originally Posted by M Division View Post
Staggered 20x10" rear / 19x9" front. Extra rubber 265 rear / 255 front
Following...

I'm considering a similar setup for summer. I ended up taking the summers off (mine came with PS 4S / ZTK pack) and putting the winter tires on the OEM wheels.

What offsets did you end up going with? Spacers?

I'm looking for a little bit of a step up for the summer ride but it's critical that any changes only improve/retain the best handling balance for the chassis. Looks are secondary to me and I don't plan to lower it or anything like that...I'm not a suspension engineer and I did not sleep in Holiday Inn recently. Just want a fun summer setup and a safe winter setup.
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      04-20-2024, 09:32 PM   #9
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Quote:
Originally Posted by M Division View Post
Staggered 20x10" rear / 19x9" front fitted

Extra rubber 265 rear / 255 front

Handles beautifully, rides very well even while lowered. Grip is insane, launches harder, cornering grip is endless, brakes harder and front end has a little more feedback.

I can see why the M2 runs a staggered 20/19" setup the chassis feels made for this configuration.
Looking at your post history it looks like you don't have the G42 any longer.

But do you happen to remember the offsets ?
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